#root {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem;
  text-align: center;
  background-color: #f0f2f5;
}

.logo {
  height: 6em;
  padding: 1.5em;
  will-change: filter;
  transition: filter 300ms;
}
.logo:hover {
  filter: drop-shadow(0 0 2em #646cffaa);
}
.logo.react:hover {
  filter: drop-shadow(0 0 2em #61dafbaa);
}

.card {
  padding: 2em;
  background-color: #fff; /* 添加背景色 */
  border-radius: 8px; /* 添加圆角 */
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); /* 添加阴影 */
}

.read-the-docs {
  color: #888;
}

.appContainer {
  display: flex;
  flex-direction: column;
  height: 100vh;
  background-color: #f4f4f4;
}

.appHeader {
  background-color: #fff;
  padding: 1rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.appHeader h1 {
  margin: 0;
  font-size: 1.8rem; /* 增大字体 */
  color: #333;
  font-weight: bold; /* 加粗字体 */
}

.appMain {
  flex: 1;
  padding: 2rem;
  overflow: auto;
}
